Database Engineer (Telco Domain)

The Mid-Senior Database Engineer (Telecom Domain) will lead the design, optimization, and governance of large-scale telecom databases across OSS/BSS, network analytics, and customer data platforms. This role requires deep telecom domain expertise, advanced SQL engineering, and hands-on experience with cloud-based data ecosystems.

Key Responsibilities

- Architect and optimize high-volume telecom databases (e.g., BigQuery, PostgreSQL, Oracle).

- Lead TM Forum SID–aligned data modeling, metadata lineage creation, and governance.

- Design scalable schemas for CDRs, subscriber data, network KPIs, billing, CRM and product catalog.

- Drive performance tuning, query optimization, and data reliability engineering.

- Implement high-availability, DR, RTO/RPO strategies for mission-critical telecom workloads.

- Mentor junior engineers and support cross-functional Architecture/SME teams.

- Oversee integration of DB layers with OSS/BSS, Data Lake, mediation, and analytics systems.

- Ensure data security, access governance, and telecom compliance controls.

- Lead root-cause analysis for performance degradation and production incidents.

Required Skills & Experience

- 5–9 years of experience in Database Engineering, with at least 3 years in telecom.

- Strong SQL mastery, data modeling, and optimization skills.

- Expertise in BigQuery, PostgreSQL, MySQL, Oracle or equivalent.

- Deep understanding of OSS/BSS, telecom data domains, TM Forum SID.

- Experience designing schemas for telecom datasets (CDRs, charging, billing, network KPIs).

- Hands-on cloud experience (GCP preferred).

- Knowledge of metadata/lineage tools (Erwin, Collibra).

- Strong troubleshooting, analytical reasoning, and stakeholder communication.

- Ability to lead design sessions and guide junior team members.

Qualifications

- Bachelor's or Master's degree in Computer Science, IT, Telecom, or related field.

- Relevant cloud certification (GCP/AWS/Azure) preferred.

- Telecom industry project experience is mandatory.